The polar bear's scientific name means "sea bear" because it's the only bear that has a body made for living in water.
有趣的常识：北极熊的学名叫“海洋熊”，因为它是唯一身体能适应水中生活的熊类。
This bear appeared to be in healthy condition, however the species is threatened with extinction because climate change is causing its sea ice habitat to melt away rapidly.
这头北极熊看上去很健康，但是这个物种濒临灭绝，因为气候变化正在使其海冰栖息地迅速融化。
Because the observed trajectory of Arctic sea ice decline appears to be underestimated by currently available models, this assessment of future polar bear status may be conservative.
由于目前现有的模型对北极海冰融化速度的估计可能不足，所以对北极熊未来命运的估计可能有些保守。
A stranded female polar bear and mother of two cubs waits for the sea ice to return to be able to hunt.
滞留的雌性北极熊-两个小熊的母亲正在等待可以返回的海冰。
They will bear the brunt of changing weather patterns, water shortages, and rising sea levels even though they are the least equipped to deal with them.
他们在天气模式改变、水资源匮乏和海平面上升中首当其冲，而且他们最缺乏应对手段。
The combination of rising inflation and slowing growth may bear a worrying resemblance to the stagflationary 1970s, but there has been a sea-change in advanced economies since then.
上扬的通胀和放缓的经济增长结合在一起，可能带来类似70年代的令人担忧的滞胀，但是自那以后发达经济体有了彻底的突变。
When his Pal Polar Bear pushes him down their favorite slide, Flip-Flop unexpectedly lands in the sea.
当“后滚翻”的好朋友北极熊推着他滑行的时候，他一不小心掉进了海里。
Polar bear hair is hollow to trap air for insulation while the sea otter has the densest fur with125000hairs per cm2.
北极熊的毛发是中空的，用以困住绝缘空气层；海獭的毛皮稠密到每平方公分十二万根。
The sites contain great species diversity , including the world ' s largest known variety of salmonoid fish and exceptional concentrations of sea otter , brown bear and stellar ' s sea eagle.
景区内物种丰富，除世界现存的最大鲑鱼群外，还集中了罕见的海獭、棕熊和鱼鹰。
Polar bear hair is hollow to trap air for insulation while the sea otter has the densest fur with 125,000 hairs per cm2.
北极熊的毛发是中空的，用以困住绝缘空气层；海獭的毛皮稠密到每平方公分十二万根。
On May 14, 2008, the U. s. Department of the Interior reclassified the polar bear as a Threatened Species under the Endangered Species Act, citing concerns about sea ice loss.
2008年5月14日，美国内政部根据濒危物种法案把北极熊重新分类为濒临灭绝的物种，引用了对海冰损失的关切。
On May 14, 2008, the U. s. Department of the Interior reclassified the polar bear as a Threatened Species under the Endangered Species Act, citing concerns about sea ice loss.
2008年5月14日，美国内政部根据濒危物种法案把北极熊重新分类为濒临灭绝的物种，引用了对海冰损失的关切。
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